Before seriously ill Covid-19 patients can get an experimental treatment called convalescent plasma therapy, their families have to do just one thing: find the donors.

Even while supporting very ill loved ones, family members search for potential donors and help them navigate donating at a blood bank. The hope is that antibody-rich plasma from a recovered Covid-19 patient, when transfused into a seriously ill patient, will help fight the new coronavirus that scientists have barely begun to understand.

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